Free Oracle 1z1-909 Exam Dumps Questions & Answers

Examine this statement which has executed successfully:

• A.The statement takes advantage of index description_idx.
• B.Execution performance can be improved by, using a composite index with column description as the leftmost prefix column description.
• C.No index will improve statement performance.
• D.Execution performance can be improved by adding an index on column description.
• E.Execution performance can be improved by using like instead of RLIKE.

The employee table includes these columns:
e_id INT, e_name VARCHAR (45), dept_id INT salart INT
You must create a stored function, getMaxSalary(), which returns the maximum salary paid for a given department id.
Which statement will create the function?

• A.
• B.
• C.
• D.

Examine the layout of the my_values table.

Examine the data in the my_value3 table.

Examine this statement:

A)

B)


D)

• A.Option C
• B.Option A
• C.Option B
• D.Option D

Examine this event's metadata:

Now examine this command:
DROP USER 'userl'e'localhost';
Which effect will the command have on the event?

• A.The event is not scheduled and will no longer execute. The system will log an error.
• B.The event is scheduled but will no longer execute. The system will log an error.
• C.The event is scheduled and executed but fails. The system will log an error.
• D.The event will be dropped without an error or warning.

Examine these lines of Python code:

You must add a line of code to complete the code to return data to the variable d. Which line will do this?

• A.d = cursor.fetch(query, (hire_start, hire_end))
• B.d = cursor.execute(query)
• C.d = cursor.fetch(query % (hire_start, hire_end))
• D.d = cursor . f etchall (query)
• E.d = cursor.fetchall(query, (hire_start, hire_end))
• F.d = cursor.execute(query, (hire_start, hire_end) )